NL80104C - - Google Patents
Info
- Publication number
- NL80104C NL80104C NL80104DA NL80104C NL 80104 C NL80104 C NL 80104C NL 80104D A NL80104D A NL 80104DA NL 80104 C NL80104 C NL 80104C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US400259A US2407287A (en) | 1941-06-28 | 1941-06-28 | Course beacon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL80104C true NL80104C (en:Method) |
Family
ID=23582871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL80104D NL80104C (en:Method) | 1941-06-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2407287A (en:Method) |
| BE (1) | BE479063A (en:Method) |
| FR (1) | FR951394A (en:Method) |
| GB (1) | GB590460A (en:Method) |
| NL (1) | NL80104C (en:Method) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2441956A (en) * | 1942-08-28 | 1948-05-25 | Standard Telephones Cables Ltd | Radio guiding method and system |
| US2436805A (en) * | 1944-10-02 | 1948-03-02 | Standard Telephones Cables Ltd | Radio indicating system |
| BE478974A (en:Method) * | 1945-03-15 | |||
| US2597349A (en) * | 1945-10-19 | 1952-05-20 | Us Sec War | Radio navigational device |
| US2677818A (en) * | 1945-10-19 | 1954-05-04 | Us Sec War | Aircraft identification system |
| US2807798A (en) * | 1945-12-18 | 1957-09-24 | Frank G Dunnington | Frequency indicator |
| GB620487A (en) * | 1946-02-06 | 1949-03-25 | William Joseph O Brien | Improvements in or relating to radio navigation systems |
| US2578980A (en) * | 1946-03-07 | 1951-12-18 | Decca Record Co Ltd | Radio-frequency navigation system |
| US2606317A (en) * | 1946-04-19 | 1952-08-05 | Wallace Marcel | Navigational system |
| US2882526A (en) * | 1946-05-10 | 1959-04-14 | Glenn H Musselman | Cycle matching receiver |
| US2478833A (en) * | 1946-06-03 | 1949-08-09 | Decca Reeord Company Ltd | Area identification system |
| US2958080A (en) * | 1946-09-07 | 1960-10-25 | Charles B Aiken | Scanning system for detecting a radiant object in a field of like radiation |
| US2609532A (en) * | 1947-06-16 | 1952-09-02 | Wallace | Altitude and distance recorder |
| US2638585A (en) * | 1947-09-02 | 1953-05-12 | Hughes Tool Co | Radio-locator system |
| US2513315A (en) * | 1947-10-09 | 1950-07-04 | Seismograph Service Corp | Radio position determining system |
| US2513317A (en) * | 1947-10-09 | 1950-07-04 | Seismograph Service Corp | Radio position determining system |
| US2611127A (en) * | 1947-10-28 | 1952-09-16 | Sperry Corp | Continuous wave navigation system |
| US2516296A (en) * | 1949-05-03 | 1950-07-25 | Carl W Brown | Synchronizer for multiple set radar systems |
| US2628351A (en) * | 1949-11-14 | 1953-02-10 | Mackta Leo | Low frequency simplified loran system |
| US2907023A (en) * | 1955-04-27 | 1959-09-29 | Leo V Skinner | Ground clearance indicator |
| US3992711A (en) * | 1956-10-04 | 1976-11-16 | International Telephone And Telegraph Corporation | First and fourth harmonic system |
| US9709656B2 (en) * | 2014-08-22 | 2017-07-18 | Daniel A. Katz | Tracking a radio beacon from a moving device |
-
0
- BE BE479063D patent/BE479063A/xx unknown
- NL NL80104D patent/NL80104C/xx active
-
1941
- 1941-06-28 US US400259A patent/US2407287A/en not_active Expired - Lifetime
-
1943
- 1943-12-10 GB GB20748/43A patent/GB590460A/en not_active Expired
-
1947
- 1947-08-07 FR FR951394D patent/FR951394A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR951394A (fr) | 1949-10-24 |
| BE479063A (en:Method) | |
| GB590460A (en) | 1947-07-18 |
| US2407287A (en) | 1946-09-10 |